Cryptic introgression into the kidney saxifrage (Saxifraga hirsuta) from its more abundant sympatric congener Saxifraga spathularis, and the potential risk of genetic assimilation | Zendy

Gemma E. Beatty | Zendy; Laura Barker | Zendy; Peipei Chen | Zendy; Colin T. Kelleher | Zendy; Jim Provan | Zendy

Open Access

Cryptic introgression into the kidney saxifrage (Saxifraga hirsuta) from its more abundant sympatric congener Saxifraga spathularis, and the potential risk of genetic assimilation

Author(s) -

Gemma E. Beatty,

Laura Barker,

Peipei Chen,

Colin T. Kelleher,

Jim Provan

Publication year - 2014

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcu226

Subject(s) - introgression , biology , sympatric speciation , hybrid , backcrossing , gene pool , species complex , relative species abundance , zoology , ecology , botany , evolutionary biology , abundance (ecology) , genetic diversity , genetics , population , gene , phylogenetic tree , demography , sociology

Although hybridization can play a positive role in plant evolution, it has been shown that excessive unidirectional hybridization can result in replacement of a species' gene pool, and even the extinction of rare species via genetic assimilation. This study examines levels of introgression between the common Saxifraga spathularis and its rarer congener S. hirsuta, which have been observed to hybridize in the wild where they occur sympatrically.

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